In Sunday's men's final, third seed Jan O Jorgensen from Denmark will take on Japanese eighth seed Kento Momota.
Jorgensen overcame German player Marc Zwieler, who had to retire injury with the score on 21-17 11-5 in the Dane's favour.
Momota needed three games to get the better of Parupalli Kashyap, eventually winning 12-21, 21-17 21-14.
In the ladies final, Japan's unseeded Yui Hashimoto takes on Thai sixth seed Rathanok Intanon.
Hashimoto beat Chinese eighth seed Wang Yihan 21-17 9-21 21-17 in her semi-final, while Intanon surprised another Chinese player – fifth seed Wang Shixian – 21-19 21-13.